Problems from Spotify Challenge 2011

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
All Just A Dream0.0224876658677%5.3Mediumen
Cat Coat Colors0.00114035826474%6.0Harden
Imperial Measurement0.001471422130492%2.5Easyen
Peer Streaming0.041300322062%6.9Harden
Playlist0.3012511065350%5.6Harden
Primary Register0.00801216111091%2.3Easyen
Square Pie0.071580845869%7.4Harden
Wheel Game0.00127492551%7.7Harden